#!/usr/bin/node
const log=console.log;
let buf1=new Buffer(256);
buf1[0]=0;

log(`buf1 length:${buf1.length}\n`);
log(buf1);

for(let i=0;i<buf1.length;i++){
  buf1[i]=i;
}

log(buf1);

let buf2=buf1.slice(250,256);
log(buf2);

buf2.fill(0);
log(buf2);
log('buf2',buf2.toJSON());


let arr = ['a',0xba,0,255,10];
let buf3=new Buffer(arr);
log('buf3:',buf3);


let str="hello world";
let buf4=new Buffer(str);
log('buf4:',buf4);

buf4.copy(buf3,0,0,buf4.length);
log('buf3:',buf3);


